[Example] Update path to scripts/react-native-xcode.sh for RN v0.46
[Example] Update path to scripts/react-native-xcode.sh for RN v0.46

atFriendly/react-native-friendly-chat,pluralcom/react-native-gifted-chat,Chatnbook/react-native-gifted-chat,pluralcom/react-native-gifted-chat,atFriendly/react-native-friendly-chat,ianlin/react-native-gifted-messenger,atFriendly/react-native-friendly-chat,FaridSafi/react-native-gifted-chat,Chatnbook/react-native-gifted-chat,pluralcom/react-native-gifted-chat,FaridSafi/react-native-gifted-messenger,FaridSafi/react-native-gifted-messenger,Chatnbook/react-native-gifted-chat,atFriendly/react-native-friendly-chat,ianlin/react-native-gifted-messenger,FaridSafi/react-native-gifted-chat